DV-1271 - Violated by my new father... Yui Serizawa

With a 148cm body and explosive J-cup breasts, high schooler Yui finds herself living with her mother's new husband and his son. One day, her mother leaves. Despite her resistance, her father attacks her repeatedly until she finally gives in and is thoroughly trained. Meanwhile, the virgin son awakens his lust and attacks Yui in a wild sex frenzy.